package financeiro.web.filter;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.hibernate.SessionFactory;

import financeiro.util.HibernateUtil;

public class ConexaoHibernateFilter implements Filter {
	private SessionFactory sf;
	
	public void init(FilterConfig config) throws ServletException{
		this.sf = HibernateUtil.getSessionFactory();
	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub

	}

	@Override
	public void doFilter(ServletRequest serveletRequest, ServletResponse serveletResponse,
			FilterChain chain) throws ServletException {
		// TODO Auto-generated method stub
			try{
				this.sf.getCurrentSession().beginTransaction();
				chain.doFilter(serveletRequest, serveletResponse);
				this.sf.getCurrentSession().getTransaction().commit();
				this.sf.getCurrentSession().close();
				}catch (Throwable ex){
					try{
						if(this.sf.getCurrentSession().getTransaction().isActive()){
							this.sf.getCurrentSession().getTransaction().rollback();
						}
					}catch (Throwable t){
						t.printStackTrace();
					}
					throw new ServletException(ex);
				}
			}


		
}
